Btown's leading ladies are turning on the heat like never before these days.

In two new photo-shoots for a calendar, the versatile Vidya Balan and sexy Deepika Padukone have dared to bare and set temperatures rising in tinsel town. Joining them is the one-film-old Sonakshi Sinha, who goes in for a complete makeover.

Check out the three hotties sizzle in their bold and beautiful avatars.

Deepika confidently shoots in a towel

Vidya Balan stuns yet again

Sonkashi Sinha leaves you breathless in black

With the glam-quotient rising with each passing year, it seems fans can expect a lot more oomph from their favourite heroines in 2012.